Number of n X 5 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.

A183337

Number of n X 5 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.

Terms

    a(0) =1a(1) =6a(2) =13a(3) =26a(4) =72a(5) =175a(6) =407a(7) =1005a(8) =2450a(9) =5893a(10) =14318a(11) =34780a(12) =84221a(13) =204245a(14) =495483a(15) =1201256a(16) =2912843a(17) =7064014a(18) =17129250a(19) =41536473a(20) =100724269a(21) =244248135a(22) =592280544a(23) =1436238121a(24) =3482767494a(25) =8445435610a(26) =20479537209a(27) =49661306333a(28) =120424822297

External references